2525377440 has 48 divisors (see below), whose sum is σ = 7954940448. Its totient is φ = 673433856.

The previous prime is 2525377427. The next prime is 2525377501. The reversal of 2525377440 is 447735252.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630122 + ... + 2631081.

It is an arithmetic number, because the mean of its divisors is an integer number (165727926).

Almost surely, 2^2525377440 is an apocalyptic number.

2525377440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525377440 is an abundant number, since it is smaller than the sum of its proper divisors (5429563008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525377440 is a wasteful number, since it uses less digits than its factorization.

2525377440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261221 (or 5261213 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 39.

The square root of 2525377440 is about 50253.1336336352. The cubic root of 2525377440 is about 1361.7856878042.

The spelling of 2525377440 in words is "two billion, five hundred twenty-five million, three hundred seventy-seven thousand, four hundred forty".